<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width,initial-scale=1.0">
    <meta http-equiv="x-ua-compatible" content="ie=edge">
    <title>Title</title>
</head>
<body>
    <form>
        placeholder占位符：<input type="text" placeholder="占位符">
        <hr/>
        <input type="radio" name="sex">男
        <input type="radio" name="sex">女
        <hr/>
        <input type="checkbox">1
        <input type="checkbox">2
        <input type="checkbox">3
        <hr/>
        <input type="range" min="0" max="100" value="0">
        <hr/>
        <input type="color">
        <hr/>
        <input type="date">
        <hr/>
        <input type="time">
        <hr/>
        <input type="search">
        <hr/>
        <input type="url">
        <hr/>
        <input type="email">
        <hr/>
        <input type="password">


        <input type="reset">
        <hr/>
        <input type="submit">
        <hr/>
    </form>
</body>
</html>
<script>

</script>